Description

6-(4-Benzamidoanilino)-1-Naphthol-3-Sulfonic Acid is a specialized organic intermediate featuring a naphthol core functionalized with sulfonic acid and benzamidoanilino groups. This unique molecular structure makes it a valuable building block for synthesizing complex dyes, pigments, and functional materials where specific light absorption and solubility properties are required. It is primarily sought after by manufacturers in the fine chemical, advanced material, and research sectors for developing colorants and other performance chemicals.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes, acid dyes, and other complex colorants for textiles, inks, and coatings.
• Functional Material Synthesis: Used in the production of specialty polymers and materials where sulfonic acid groups impart solubility or ionic characteristics.
• Research & Development Chemical: Serves as a critical reagent in organic synthesis and pharmaceutical research for constructing molecules with specific aromatic architectures.
• Analytical Reagent: Potential use as a chromogenic agent or a standard in analytical chemistry methodologies.

Basic Information

Product Name	6-(4-Benzamidoanilino)-1-Naphthol-3-Sulfonic Acid
CAS No.	6259-47-8
Molecular Formula	C23H18N2O5S
Molecular Weight	434.46 g/mol
Synonyms	6-[(4-Benzamidophenyl)amino]-1-naphthol-3-sulfonic acid; 6-(4-Benzoylaminoanilino)-1-naphthol-3-sulfonic acid; 1-Naphthol-3-sulfonic acid, 6-[(4-benzamidophenyl)amino]-; N-(4-((6-Hydroxy-3-sulfo-1-naphthyl)amino)phenyl)benzamide; C.I. 37515; Benzenesulfonic acid, 6-[(4-benzamidophenyl)amino]-1-naphthol-3-; Acid Yellow 219 (related dye class)
EINECS	Contact for details

Quality Control

Our production of 6-(4-Benzamidoanilino)-1-Naphthol-3-Sulfonic Acid adheres to stringent quality management protocols. Each batch is analyzed to ensure consistent purity and meets the specifications agreed upon with our clients. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided with every shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to brownish powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.